To use it,simply copy the file to your SD CardNext,use an Advanced File Mangaer (Root Explorer),one that could access system files on the phoneCopy the vold.fstab file and paste it into the ''system/etc'' folder which can be found at the root of your system storageReboot for the phone for changes to take effect

How to :1. Download the zip and place it in the root of your sd card.PS : SD Card is a must.2. Reboot to the stock recovery.3. Select install update from external storage.4. Select the root.zip file. 5. Voila

Note: Only take effect in stock kernel and BCS Kernel(I tested in two kernel is stock and bcs it work fine but in D-kernel v2 cannot work)Thanks to kyrillos13 has mod itThanks to Rox has mod and patched it is newer